Extension piece for flow track



FIG. 1 is a side view of my extension piece for flow track showing my new design;

FIG. 2 is a side view thereof, with the extension piece attached to a flow track in an extended position;

FIG. 3 is a side view thereof, with the extension piece attached to a flow track in a retracted position;

FIG. 4 is a front view thereof;

FIG. 5 is a perspective view thereof; and,

FIG. 6 is another perspective view thereof.

The broken line showing of a flow track in FIGS. 2–5 is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for an extension piece for flow track, as shown and described. 